ALEXANDRIA, Va., June 16 -- United States Patent no. 12,306,407, issued on May 20, was assigned to Magic Leap Inc. (Plantation, Fla.).
"Eyepieces for augmented reality display system" was invented by Samarth Bhargava (Saratoga, Calif.), Victor Kai Liu (Mountain View, Calif.) and Kevin Messer (Mountain View, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An eyepiece waveguide for an augmented reality display system. The eyepiece waveguide can include an input coupling grating (ICG) region. The ICG region can couple an input beam into the substrate of the eyepiece waveguide as a guided beam. A first combined pupil expander-extractor (CPE) grating region can be formed on or in a surface of the substrate....